Tagged Questions

Why is it that a white hole can only exist in certain circumstances, i.e. in spinning black holes, eternal black holes and black holes with an electric charge etc.. Why is it that you can't just have ...

Is there a definitive theory concerning the formation and structure of hypothetical white holes? Also, could somebody please explain the connection between the eternal black holes, the arrow of time ...

Under General Relativity, Lorentzian wormholes (the kind that are traversable) require exotic matter (a kind of unobtainium which is not known to exist). On the other hand, we know black holes exists ...

The universe expanded from nothing, right? And black holes may be a "gate" to parallel universes, is it possible that stars that is being sucked in by black holes in our universe may be the origin of ...

According to many physicist what ever goes near to a black hole is pulled by it sucked up in a parallel universe. As far as i know black holes are also made up of material particles as any other thing ...

If physics is time reversal invariant, there ought to be white hole complimentarity as well. Imagine a white hole so enormous that it is possible for life to evolve entirely within it for billions of ...

I know that there's no evidence at this point for "white holes" however would it even be mathematically possible for a black hole to be connected to a white hole (total opposite so everything would be ...